Description This item is well made of premium material for durable and practical use. It is with good waterproof, moisture-proof and anti-rust performance. With professional design and safe to use, it is really a wonderful waterproof temperature sensors set for choice. Feature - Color: As shown.- Material: Polymer.- Length: 100cm / 39.4 inch.- Nominal resistance: R25 (25 ): (commonly used) 1.5K, 2K, 5K, 10K, 15K, 20K, 30K, 47K, 50K, 100K, 150K, 200K, 230K, 500K, 1M, 1.2M.- Resistance accuracy: ± 1%, ± 2%, ± 3%.- B value R25 / 50 (85): (common) 3380K, 3435K, 3470K, 3600K, 3899K, 3950K, 3990K, 4050K, 4100K, 4250K, etc.- B value accuracy: ± 1%- Use temperature range: -40 ~ +300 (sub-high temperature and low temperature sensor, temperature chip and production process is different)- Dissipation power factor: ≥ 5 mW / (static air)- Maximum rated power: 45mW- Thermal time constant: ≤ 3S (static air)- Resistance temperature coefficient: -2 ~ -5% / - Insulation performance: 500V DC test single insulation resistance ≥ 100MΩ- Pressure resistance: 1500V AC, 5s, 0.5mA no breakdown- Wide measuring range.- Waterproof, moisture-proof and anti-rust.Packing list: 1 x set of 5PCS 1M Waterproof Temperature Sensors Temperatures Transducers NTC Thermistor Probe Digital Temperature Transimitter Extension Cable